Datasheet
DocID025977 Rev 6 243/258
STM32L486xx Package information
251
7.4 WLCSP72 package information
Figure 62. WLCSP72 - 72-ball, 4.4084 x 3.7594 mm, 0.4 mm pitch wafer level chip
scale package outline
1. Drawing is not to scale.
Table 124. WLCSP72 - 72-ball, 4.4084 x 3.7594 mm, 0.4 mm pitch wafer level chip
scale package mechanical data
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
A 0.525 0.555 0.585 0.0207 0.0219 0.0230
A1 - 0.175 - - 0.0069 -
A2 - 0.380 - - 0.0150 -
A3
(2)
- 0.025 - - 0.0010 -
b
(3)
0.220 0.250 0.280 0.0087 0.0098 0.0110
D 4.3734 4.4084 4.4434 0.1722 0.1736 0.1749
E 3.7244 3.7594 3.7944 0.1466 0.1480 0.1494
e - 0.400 - - 0.0157 -
e1 - 3.200 - - 0.1260 -
e2 - 3.200 - - 0.1260 -
F - 0.6042 - - 0.0238 -
G - 0.2797 - - 0.0110 -
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